package com.lwm.killer.exception;

import com.lwm.killer.result.CodeMsg;
import com.lwm.killer.result.Result;
import org.springframework.validation.BindException;
import org.springframework.validation.ObjectError;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import javax.servlet.http.HttpServletRequest;

import java.util.List;

/**
 * @Author:lwenm
 * @Description
 * @Date:2018/6/8
 */

@RestControllerAdvice
public class GlobalExceptionHandler {

    @ExceptionHandler(value = Exception.class)
    public Result<String> exceptionHandler(HttpServletRequest request,Exception e){
        e.printStackTrace();
        if(e instanceof GlobalException) {
            GlobalException ex = (GlobalException)e;
            return Result.error(ex.getCm());
        }else if(e instanceof BindException){
            BindException ex =  (BindException)e;
            List<ObjectError>  errors = ex.getAllErrors();
            ObjectError error = errors.get(0);
            String msg  = error.getDefaultMessage();
            return Result.error(CodeMsg.BIND_ERROR.fillArgs(msg));
        }else {
            return  Result.error(CodeMsg.SERVER_ERROR);
        }
    }

}
